How many significant figures are in 308.0 ml

Sciencium-380 has a half-life of 3 days. If you started with a 100 gram sample, how much Sciencium-380 will remain after 9 days?

A bird flies from the South Pole to the North Pole. part of the journey is 1,000 miles that takes 2 weeks, what is the birds velocity in that time, what is the answer

Each of the following elements is magnetic except A. aluminum B. cobalt C. nickel D. iron

Human activity influences the hydrology of a drainage basin. All but one identifies how urban developed areas often contribute to flooding. That is:

The direction of the force on a current-carrying wire in a magnetic field is

A tube, open at only one end, is cut into two shorter (nonequal) lengths. The piece that is open at both ends has a fundamental frequency of 422 Hz, while the piece open only at one end has a fundamental frequency of 666 Hz.

Table tennis the path of a table-tennis ball after being hit and hitting the surface of the table can be modeled by the function h=-4.9t (t-0.42) where h is the height in meters above the table and t is the time in seconds.

A coat rack weighs 65.0 lbs when it is filled with winter coats and 40.0 lbs when it is empty. The base of the coat rack has an area of 452.4 in2.

An initially stationary object experiences an acceleration of 6 m/s2 for a time of 15 s. How far will it travel during that time?

How was helium first discovered? mining of the radioactive element uranium using spectral analysis of the Suns' emission spectra o hubble obtaining samples from explosions off the surface of the sun deep sea mining off the coast of Texas